<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="jquery.3.4.1.js"></script>

</head>
<body>
    <a href="" title="baidu">百度一下</a>
    <input type="checkbox" name="hobby">
    <input type="checkbox" name="hobby" checked>
    <input type="checkbox" name="hobby">
    <input type="checkbox" name="hobby">

</body>
</html>